Regulator for the movements of air or smoke in flues



Jan.- 25, 1927. 1,615,588

G. KORNGIEBEL REGULATOR FOR THE MOVEMENTS OF AIR OR SMOKE IN FLUES Filed March 31 1921 'ammmmmw Patented Jan. 25, 1927.

UNITED STATES 5 1,615,588 PATENT OFFICE.

GUSTAV KORNGIEBEL, OI" KABSEL, GERMANY.

REGULATOR FOR THE MOVEMENTS OF A13. 03 SHORE 111 mm Application filed March 31, 1821. Serial No. 457,547.

This invention relates to a draft regulator to be inserted into channels for-regulating the air draft or in flues for regulating the movement of the flue gas and it consists of a hollow body to be inserted into a channel or flue. The open end of this hollow body is closed by a plate which is exposed to the atmospherlc pressure and suspended from one end of a pivotally counterweighted lever arranged outside the hollow body. The inner surface of this freely suspended regulating plate is exposed to the action of the draft in the channel or flue, or to an ,auxiliary draft produced by air blown in, or by both, the normal draft and the auxiliary draft.

' The invention will be best understood from a consideration of the following detailed description taken in connection with the accompanying drawings forming a rt of this s ecification with the understan 'ng thatwhlle on the drawings several embodiments of the invention'are disclosed, the in-' 4 shows, on a larger scale, the end of the counterweighted lever attached to the re lating plate.

ig. 5 shows, on a mounting of the counterweighted lever.

The hollow body 4 of the draft regulator is inserted in the air channel or in the flue by means of two horizontal tubular sockets 11,12 as shown in Fi s. 1 and -2 or in another manner as wi be hereafter described. In the, bottom of the hollow body a tubular socket 14 is arranged. Whether the tubular sockets 11 and 12 are closed or left open or whether one of the tubular sockets 11 and'12 and the horizontal tubular socket 14 is used de ends on whether the flue into which the raft regulator is to be inserted is straight or bent at right an les. The tubular socket which is not use 'is closed and in Fig. 1 of the drawing the tubular socket 14 is shown closed by a lid 15.

larger scale, the pivotal In the open to end of the hollow body 4 a regulating p ate 1 is movably mounted, said plate being freely suspended from the inner end of a pivoted counterwei hted lever 2, 3. This lever 2, 3 is fulcrume at 8 on an arm 27 upwardly extendin from the upper part of the hollow body 4. The upper part 16 of the hollow body 4 may have the shape of a truncated cone as shown in Figs. 1 and 2. The end of the inner arm 2 of the counterweigihted lever is preferably hook-shaped an engages with a lug 7 upwardly projecting from the regulatin late 1. On the outer arm 3 of the pivo ever a counterweight 6 is adjustably mounted. The regulating plate 1 which is suspended from the lever 2, 3 is adapted to be moved into the hollow body 4 under the action of the atmospheric pressure to which it is freely exposed.

The point for suspendintg plate 1, the point at which e counterweight 6 acts upon the arm3 of the pivotal lever 2, 3 and t e fulcrum 8 of this lever are situated on a straight line as indicated in Fig. 3 by dash and dot lines. The fulcrum 8 is situated in a horizontal plane in the line which divides into two equal halves the angle 9 formed between the two extreme positions of the counterweighted lever (Fig. 3).

In the form of construction shown in Fig. 3 the hollow body 4 is closed at the open the regulating top end by the freely suspended regulating plate 1 and has no tubular sockets but only an orifice 17 in one side which opens into a narrow channel 18-to be inserted into the air channel or flue. The hollow body 4 is in this case subdivided by a horizontal partition 19 which has an aperture 39 in the part extending through the hollow body 4. This aperture is closed by a plate 31 rigidly connected with the draft regulating plate 1 so that, when said draft regulating plate 1 is in the closed position shown in Fig. 3 in full lines, the plate 31 is standing at some distance above the partition 19, the aperture 39 in this partition 19 being uncovered. When however the draft regulating late 1 is in the open position moved into e hollow body 4: (as shown in dotted lines in Fig. the plate 31 covers the aperture in the partition 19.

' The counterweight 6 isadjustably mount ed on the arm 3 of thepivoted lever 2, 3 and with this object in view it has preferably a nut shaped upwardly directed extension screwed upon a' screw spindle 21 rotatably located'in the arm 3 of the lever. At the outer end of the screw spindle 21 a hand wheel is arranged by means 0.

which the spindle can be rotated to adjust I that it oscillates with the minimum friction (shown i a cross axle 24, 25 (Fig. 5), which has a knife edge 23 on the lower surface, is preferably used as fulcrum and journaled in correspondingly formed bearings 26 on arm 27 of the hollow body 4. The regulating plate 1 is preferably suspended from the pivoted lever 2, 3 so that the friction is reduced as much as possible, for instance as shown in Fig. 4 by means of a knife edge 28 on the lower surface of the upper cross bar 29 of lug" 7, said knife edge enga ing with a notch '30 in the end ofarm 2 o the counterweighted lever 2, 3.

In the hollow body 4 a vertical partition 37 is arranged. as shown in Fig. 2 which is of such a height that when the regulating plate 1 is in the closed position a passage 38 is left free between the plate 1 and t e upper edge of partition 37. When this regulating plate 1 is in the open position 11 ig. 2 in dotted lines) this plate rests upon the upper edge of partition 37.

- I claim 1. A draft regulator for air channels, flues and the like, comprising in combination a hollow body open at the top end to be inserted in an air channel or flue so that the air current traverses said hollow body, a freely suspended regulating plate in said hollow body exposed to the atmospheric pressure and designed to close the opening of said hollow body in accordance with the difference between the atmospheric pressure and the draft in the flue, a partition fixed in said hollow body parallel to said regu-- lating plate and having an aperture which communicates with the air channel or flue, a plate parallel to said regulating plate arranged below said regulating plate and above said partition, a rod for rigidly connecting said plate with said regulating'plate so that the aperture in said partition is closed by said second plate when the-regulating plate uncovers the opening -in the toopart of said hollow body but uncovered when said regu-- lating plate closes the opening in the top I part of the hollow body.

2. A drift regulator for air channels, flues and the like comprising in combination a casing in line with the flue or channel and through which the maindraft casing being open at one end an communiasses, said exposed to atmospheric pressure and adapted to open and close the air inlet or open-' ing of the casing in accordance with the difference between the atmospheric pressureand the air pressure in said air channel, flue, or the like, counterweighted 'means arranged outside of said casing" and from which the said regulating plate is suspended so that it is balanced in any position, and means for yarying the resistance of the regulating plate to the difference in the air pressure;

3. A draft regulator for ain channels, flues and the like comprising in combination a casing consisting of a hollow body and an extension forming an enlargement of the" hollow body and having a lateral opening at one end communicating with said channel, flue or the like, said casing having an air inlet or opening at the opposite end, a freely suspended regulating plate in said casing exposed to atmospheric pressure and adapted to open and close the said air inlet or opening of said casing in accordance with the difference between the atmospheric pressure and the air pressure in said air channel, flue or the like, counterweighted means arranged outside said casing and from WhlCh said regulating plate is suspended so that it is balanced in any position and means for varyin the resistance of the regulating plate to t e dilference in the air pressure.

4. A draft regulator for air channels, flue and the like comprising in combination a casing consisting of a hollow body and an extension forming an enlargement of the hollow body and provided at one end with a lateral opening, said casing having an air inlet or opening at the opposite end, a freely suspended regulating plate in said'casing exposed to atmospheric pressure and adapted to bpen and close the air inlet or olpenin of said casing in accordance with t e di erence between the atmospheric pressureand the air pressure in said channel,

flue or the like, counterweighted means arranged outside of the casing and from which said regulating plate is suspended so that it is balanced in. any position, means for varying the resistance of the regulating plate to the difference in the air pressure, a partition dividing said easing into two parts and arranged parallel with said regulating plate and having an aperture which communicates with the air channel or flue, a late parallel to said regulating plate an arranged below said regulating plate and above said partition, a rod rigidly connecting said second mentloned plate with the regv ulating plate so that the aperture in and partition is closed by said second mentioned Lemme plate when the regulating plate uncoirers the air inlet or opening and is uncovered'when' the regulating plate closes thejair' inlet or opening. 5. A draft regulator having air channels, flues and the like comprising 111 combination a casing open at one end and. communicati with said air channel, flue or the like an having an air inlet at the opposite-end, a freely suspended regulating 'platej said casing exposed to atmospheric pressure and adaptedto open and close the said air inlet or opening in accordance with the difference and a counterweight adjustably moun between the atmospheric pressure and the air pressure in said air channel flue or the 15 like, a lug projecting u wardly from the cen tel of the regulating p ate, a lever pivotally mounted on the exterior of said casing and connected at its inner end with the said In 20 on the outer end of said lever to balance said a regulating plate in any position.

1 n testimony whereof I aflix my signature.

GUSTAV KORNGIEBEL. 

